Add gltrace hooks
Fix imports
Merge pull request #52 from gameclosure/gltrace

Gltrace
updated native-core submodule ref
Fix crash on reload app on testapp
Merge pull request #53 from gameclosure/fix-plugin-testapp

Fix crash on reload app on testapp
Latest core with shader fixes
Merge remote-tracking branch 'upstream/master'

* upstream/master:
  Latest core with shader fixes
  Fix crash on reload app on testapp
  updated native-core submodule ref
  Fix imports
  Add gltrace hooks

Conflicts:
	tealeaf/native-core
Change: updated submodule refs